Model Number: 8001 Key Specifications/Special Features: For example, boilers, heat exchanger, and other mechanical equipmentThis equipment is the extension of eyes, it helps user to visualize the place which cannot be reached by the eyesight, for example, exhaust pipe and down comerCamera resolution: 300K pixelsResolution: 640 x 480Camera diameter: 8mmOperating voltage: 5VPicture transmit rate: 30fpsOperation:Connect the USB, the vision of the camera shall appear on the screenAdjusting illumination by rotating the rotation switch on the handleRolling down, increase the illuminance, rolling up, decrease the illuminance